%% The MIT License
%% 
%% Paralog is licensed under the MIT License.
%% 
%% Copyright (c) 2008 Robert Ahrens <mindangels@yahoo.com>
%% 
%% Permission is hereby granted, free of charge, to any person obtaining a copy
%% of this software and associated documentation files (the "Software"), to deal
%% in the Software without restriction, including without limitation the rights
%% to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
%% copies of the Software, and to permit persons to whom the Software is
%% furnished to do so, subject to the following conditions:
%% 
%% The above copyright notice and this permission notice shall be included in
%% all copies or substantial portions of the Software.
%% 
%% THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
%% IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
%% FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
%% AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
%% LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
%% OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
%% THE SOFTWARE.
%% 

-module(dartmouth).

-compile(export_all).

-export([
         kb/0
        ]).


kb() ->
    [pls:rule(liked_by, [pls:v('M'), pls:v('N')],
              [pls:call(likes, [pls:v('N'), pls:v('M')])]),
     pls:fact(likes, [zoa, sarah]),
     pls:fact(likes, [robert, sarah]),
     pls:fact(likes, [zoa, milk]),
     pls:fact(likes, [robert, cheese]),
     pls:fact(likes, [robert, zoa]),
     pls:fact(likes, [sarah, zoa])
    ].
